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Study of Reflective Infrared Thermo Scope of Whole Radiation

Author: ChenHongQi
Tutor: MaChunSheng
School: Jilin University
Course: Microelectronics and Solid State Electronics
Keywords: Total radiation Concave mirror Pyroelectric infrared detectors Reflective film materials
CLC: TN219
Type: Master's thesis
Year: 2005
Downloads: 672
Quote: 6
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Abstract


With the development of scientific and social progress and improvement of people's living standards , the growing demand for non -contact infrared thermometer , especially during the SARS epidemic in 2003 , this demand reached its peak . The non-contact infrared thermometer does not require contact with the object to be measured the temperature of the object , its features make the temperature measurement to be the best choice in some of the more dangerous industries . The main significance of our design is that the lugs to the HV switchboard online temperature monitoring , due to the infrared temperature measuring device relative cost is too high , plus too many measuring points on a substation needs so it can not reproduce monitoring . Some products or the price is not high , but the temperature distance is limited; either temperature measurement distance away , but the price is expensive , can not get a satisfactory solution to people's needs . It is the work for this paper , and come to some conclusion . 1 to improve the optical system of the conventional infrared thermometer , with the concave mirror , the collection of infrared radiation signal , instead of the conventional infrared thermometer with a transmissive mirror or other shape of the reflecting mirror on the infrared light collected , simplifying the optical infrared thermometry system, reducing the cost. Compared the influence of two different shapes of the concave mirror to the probe and the experimental results were analyzed to derive the shape of the converging infrared signal is preferably a concave mirror . 3 . Direct target of our design is the switchgear substation 6000v power wiring head detection distance of 2m . The size of the concave mirror diameter of a direct impact on the detection distance different different diameter concave mirror infrared signals collected , through the analysis of the experimental results , the optimal size of the concave mirror diameter . Caliber is too small , the impact of the collection of infrared radiation signal ; caliber too , will increase the volume of the infrared thermometer . 4 Comparison of two different concave mirror reflecting film material , and analysis of their influence on the experimental results thus be seen that material most suitable for the production of a concave mirror reflecting film . 5 of the corresponding ideal reflective material , compared the effect of the different thickness of the reflecting film on the collection of infrared radiation , and the experimental results were analyzed by comparing the reflection coefficients of the different thickness of the reflective film obtained the best reflection effect of infrared light reflection film thickness.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Photonics technology,laser technology > Infrared technology and equipment > The application of infrared technology
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